Answer:
y = 3
Step-by-step explanation:
[tex]( {q}^{2} )^{y} = {q}^{6} \\ {q}^{2y} = {q}^{6} \\ 2y = 6 \\ y = \frac{6}{2} \\ \huge \red{ \boxed{ y = 3}}[/tex]